| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.cassandra.config; |
| |
| import java.net.Inet4Address; |
| import java.net.Inet6Address; |
| import java.net.InetAddress; |
| import java.net.NetworkInterface; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Enumeration; |
| |
| |
| import com.google.common.base.Throwables; |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import org.apache.cassandra.db.Keyspace; |
| import org.apache.cassandra.exceptions.ConfigurationException; |
| |
| import static org.assertj.core.api.Assertions.assertThat; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| public class DatabaseDescriptorTest |
| { |
| @BeforeClass |
| public static void setupDatabaseDescriptor() |
| { |
| DatabaseDescriptor.daemonInitialization(); |
| } |
| |
| // this came as a result of CASSANDRA-995 |
| @Test |
| public void testConfigurationLoader() throws Exception |
| { |
| // By default, we should load from the yaml |
| Config config = DatabaseDescriptor.loadConfig(); |
| assertEquals("Test Cluster", config.cluster_name); |
| Keyspace.setInitialized(); |
| |
| // Now try custom loader |
| ConfigurationLoader testLoader = new TestLoader(); |
| System.setProperty("cassandra.config.loader", testLoader.getClass().getName()); |
| |
| config = DatabaseDescriptor.loadConfig(); |
| assertEquals("ConfigurationLoader Test", config.cluster_name); |
| } |
| |
| public static class TestLoader implements ConfigurationLoader |
| { |
| public Config loadConfig() throws ConfigurationException |
| { |
| Config testConfig = new Config(); |
| testConfig.cluster_name = "ConfigurationLoader Test"; |
| return testConfig; |
| } |
| } |
| |
| static NetworkInterface suitableInterface = null; |
| static boolean hasIPv4andIPv6 = false; |
| |
| /* |
| * Server only accepts interfaces by name if they have a single address |
| * OS X seems to always have an ipv4 and ipv6 address on all interfaces which means some tests fail |
| * if not checked for and skipped |
| */ |
| @BeforeClass |
| public static void selectSuitableInterface() throws Exception { |
| Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces(); |
| while(interfaces.hasMoreElements()) { |
| NetworkInterface intf = interfaces.nextElement(); |
| |
| System.out.println("Evaluating " + intf.getName()); |
| |
| if (intf.isLoopback()) { |
| suitableInterface = intf; |
| |
| boolean hasIPv4 = false; |
| boolean hasIPv6 = false; |
| Enumeration<InetAddress> addresses = suitableInterface.getInetAddresses(); |
| while (addresses.hasMoreElements()) { |
| if (addresses.nextElement() instanceof Inet6Address) |
| hasIPv6 = true; |
| else |
| hasIPv4 = true; |
| } |
| hasIPv4andIPv6 = hasIPv4 && hasIPv6; |
| return; |
| } |
| } |
| } |
| |
| @Test |
| public void testRpcInterface() throws Exception |
| { |
| Config testConfig = DatabaseDescriptor.loadConfig(); |
| testConfig.rpc_interface = suitableInterface.getName(); |
| testConfig.rpc_address = null; |
| DatabaseDescriptor.applyAddressConfig(testConfig); |
| |
| /* |
| * Confirm ability to select between IPv4 and IPv6 |
| */ |
| if (hasIPv4andIPv6) |
| { |
| testConfig = DatabaseDescriptor.loadConfig(); |
| testConfig.rpc_interface = suitableInterface.getName(); |
| testConfig.rpc_address = null; |
| testConfig.rpc_interface_prefer_ipv6 = true; |
| DatabaseDescriptor.applyAddressConfig(testConfig); |
| |
| assertEquals(DatabaseDescriptor.getRpcAddress().getClass(), Inet6Address.class); |
| |
| testConfig = DatabaseDescriptor.loadConfig(); |
| testConfig.rpc_interface = suitableInterface.getName(); |
| testConfig.rpc_address = null; |
| testConfig.rpc_interface_prefer_ipv6 = false; |
| DatabaseDescriptor.applyAddressConfig(testConfig); |
| |
| assertEquals(DatabaseDescriptor.getRpcAddress().getClass(), Inet4Address.class); |
| } |
| else |
| { |
| /* |
| * Confirm first address of interface is selected |
| */ |
| assertEquals(DatabaseDescriptor.getRpcAddress(), suitableInterface.getInetAddresses().nextElement()); |
| } |
| } |
| |
| @Test |
| public void testListenInterface() throws Exception |
| { |
| Config testConfig = DatabaseDescriptor.loadConfig(); |
| testConfig.listen_interface = suitableInterface.getName(); |
| testConfig.listen_address = null; |
| DatabaseDescriptor.applyAddressConfig(testConfig); |
| |
| /* |
| * Confirm ability to select between IPv4 and IPv6 |
| */ |
| if (hasIPv4andIPv6) |
| { |
| testConfig = DatabaseDescriptor.loadConfig(); |
| testConfig.listen_interface = suitableInterface.getName(); |
| testConfig.listen_address = null; |
| testConfig.listen_interface_prefer_ipv6 = true; |
| DatabaseDescriptor.applyAddressConfig(testConfig); |
| |
| assertEquals(DatabaseDescriptor.getListenAddress().getClass(), Inet6Address.class); |
| |
| testConfig = DatabaseDescriptor.loadConfig(); |
| testConfig.listen_interface = suitableInterface.getName(); |
| testConfig.listen_address = null; |
| testConfig.listen_interface_prefer_ipv6 = false; |
| DatabaseDescriptor.applyAddressConfig(testConfig); |
| |
| assertEquals(DatabaseDescriptor.getListenAddress().getClass(), Inet4Address.class); |
| } |
| else |
| { |
| /* |
| * Confirm first address of interface is selected |
| */ |
| assertEquals(DatabaseDescriptor.getRpcAddress(), suitableInterface.getInetAddresses().nextElement()); |
| } |
| } |
| |
| @Test |
| public void testListenAddress() throws Exception |
| { |
| Config testConfig = DatabaseDescriptor.loadConfig(); |
| testConfig.listen_address = suitableInterface.getInterfaceAddresses().get(0).getAddress().getHostAddress(); |
| testConfig.listen_interface = null; |
| DatabaseDescriptor.applyAddressConfig(testConfig); |
| } |
| |
| @Test |
| public void testRpcAddress() throws Exception |
| { |
| Config testConfig = DatabaseDescriptor.loadConfig(); |
| testConfig.rpc_address = suitableInterface.getInterfaceAddresses().get(0).getAddress().getHostAddress(); |
| testConfig.rpc_interface = null; |
| DatabaseDescriptor.applyAddressConfig(testConfig); |
| |
| } |
| |
| @Test |
| public void testInvalidPartition() throws Exception |
| { |
| Config testConfig = DatabaseDescriptor.loadConfig(); |
| testConfig.partitioner = "ThisDoesNotExist"; |
| |
| try |
| { |
| DatabaseDescriptor.applyPartitioner(testConfig); |
| Assert.fail("Partition does not exist, so should fail"); |
| } |
| catch (ConfigurationException e) |
| { |
| Assert.assertEquals("Invalid partitioner class ThisDoesNotExist", e.getMessage()); |
| Throwable cause = Throwables.getRootCause(e); |
| Assert.assertNotNull("Unable to find root cause why partitioner was rejected", cause); |
| // this is a bit implementation specific, so free to change; mostly here to make sure reason isn't lost |
| Assert.assertEquals(ClassNotFoundException.class, cause.getClass()); |
| Assert.assertEquals("org.apache.cassandra.dht.ThisDoesNotExist", cause.getMessage()); |
| } |
| } |
| |
| @Test |
| public void testInvalidPartitionPropertyOverride() throws Exception |
| { |
| String key = Config.PROPERTY_PREFIX + "partitioner"; |
| String previous = System.getProperty(key); |
| try |
| { |
| System.setProperty(key, "ThisDoesNotExist"); |
| Config testConfig = DatabaseDescriptor.loadConfig(); |
| testConfig.partitioner = "Murmur3Partitioner"; |
| |
| try |
| { |
| DatabaseDescriptor.applyPartitioner(testConfig); |
| Assert.fail("Partition does not exist, so should fail"); |
| } |
| catch (ConfigurationException e) |
| { |
| Assert.assertEquals("Invalid partitioner class ThisDoesNotExist", e.getMessage()); |
| Throwable cause = Throwables.getRootCause(e); |
| Assert.assertNotNull("Unable to find root cause why partitioner was rejected", cause); |
| // this is a bit implementation specific, so free to change; mostly here to make sure reason isn't lost |
| Assert.assertEquals(ClassNotFoundException.class, cause.getClass()); |
| Assert.assertEquals("org.apache.cassandra.dht.ThisDoesNotExist", cause.getMessage()); |
| } |
| } |
| finally |
| { |
| if (previous == null) |
| { |
| System.getProperties().remove(key); |
| } |
| else |
| { |
| System.setProperty(key, previous); |
| } |
| } |
| } |
| |
| @Test |
| public void testTokensFromString() |
| { |
| assertTrue(DatabaseDescriptor.tokensFromString(null).isEmpty()); |
| Collection<String> tokens = DatabaseDescriptor.tokensFromString(" a,b ,c , d, f,g,h"); |
| assertEquals(7, tokens.size()); |
| assertTrue(tokens.containsAll(Arrays.asList(new String[]{"a", "b", "c", "d", "f", "g", "h"}))); |
| } |
| |
| @Test |
| public void testExceptionsForInvalidConfigValues() { |
| try |
| { |
| DatabaseDescriptor.setColumnIndexCacheSize(-1); |
| fail("Should have received a ConfigurationException column_index_cache_size_in_kb = -1"); |
| } |
| catch (ConfigurationException ignored) { } |
| Assert.assertEquals(2048, DatabaseDescriptor.getColumnIndexCacheSize()); |
| |
| try |
| { |
| DatabaseDescriptor.setColumnIndexCacheSize(2 * 1024 * 1024); |
| fail("Should have received a ConfigurationException column_index_cache_size_in_kb = 2GiB"); |
| } |
| catch (ConfigurationException ignored) { } |
| Assert.assertEquals(2048, DatabaseDescriptor.getColumnIndexCacheSize()); |
| |
| try |
| { |
| DatabaseDescriptor.setColumnIndexSize(-1); |
| fail("Should have received a ConfigurationException column_index_size_in_kb = -1"); |
| } |
| catch (ConfigurationException ignored) { } |
| Assert.assertEquals(4096, DatabaseDescriptor.getColumnIndexSize()); |
| |
| try |
| { |
| DatabaseDescriptor.setColumnIndexSize(2 * 1024 * 1024); |
| fail("Should have received a ConfigurationException column_index_size_in_kb = 2GiB"); |
| } |
| catch (ConfigurationException ignored) { } |
| Assert.assertEquals(4096, DatabaseDescriptor.getColumnIndexSize()); |
| |
| try |
| { |
| DatabaseDescriptor.setBatchSizeWarnThresholdInKB(-1); |
| fail("Should have received a ConfigurationException batch_size_warn_threshold_in_kb = -1"); |
| } |
| catch (ConfigurationException ignored) { } |
| Assert.assertEquals(5120, DatabaseDescriptor.getBatchSizeWarnThreshold()); |
| |
| try |
| { |
| DatabaseDescriptor.setBatchSizeWarnThresholdInKB(2 * 1024 * 1024); |
| fail("Should have received a ConfigurationException batch_size_warn_threshold_in_kb = 2GiB"); |
| } |
| catch (ConfigurationException ignored) { } |
| Assert.assertEquals(4096, DatabaseDescriptor.getColumnIndexSize()); |
| } |
| |
| @Test |
| public void testLowestAcceptableTimeouts() throws ConfigurationException |
| { |
| Config testConfig = new Config(); |
| testConfig.read_request_timeout_in_ms = DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT + 1; |
| testConfig.range_request_timeout_in_ms = DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT + 1; |
| testConfig.write_request_timeout_in_ms = DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT + 1; |
| testConfig.truncate_request_timeout_in_ms = DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT + 1; |
| testConfig.cas_contention_timeout_in_ms = DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT + 1; |
| testConfig.counter_write_request_timeout_in_ms = DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT + 1; |
| testConfig.request_timeout_in_ms = DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT + 1; |
| |
| assertTrue(testConfig.read_request_timeout_in_ms > DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT); |
| assertTrue(testConfig.range_request_timeout_in_ms > DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT); |
| assertTrue(testConfig.write_request_timeout_in_ms > DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT); |
| assertTrue(testConfig.truncate_request_timeout_in_ms > DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT); |
| assertTrue(testConfig.cas_contention_timeout_in_ms > DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT); |
| assertTrue(testConfig.counter_write_request_timeout_in_ms > DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT); |
| assertTrue(testConfig.request_timeout_in_ms > DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT); |
| |
| //set less than Lowest acceptable value |
| testConfig.read_request_timeout_in_ms = DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT - 1; |
| testConfig.range_request_timeout_in_ms = DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT - 1; |
| testConfig.write_request_timeout_in_ms = DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT - 1; |
| testConfig.truncate_request_timeout_in_ms = DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT - 1; |
| testConfig.cas_contention_timeout_in_ms = DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT - 1; |
| testConfig.counter_write_request_timeout_in_ms = DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT - 1; |
| testConfig.request_timeout_in_ms = DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT - 1; |
| |
| DatabaseDescriptor.checkForLowestAcceptedTimeouts(testConfig); |
| |
| assertTrue(testConfig.read_request_timeout_in_ms == DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT); |
| assertTrue(testConfig.range_request_timeout_in_ms == DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT); |
| assertTrue(testConfig.write_request_timeout_in_ms == DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT); |
| assertTrue(testConfig.truncate_request_timeout_in_ms == DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT); |
| assertTrue(testConfig.cas_contention_timeout_in_ms == DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT); |
| assertTrue(testConfig.counter_write_request_timeout_in_ms == DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT); |
| assertTrue(testConfig.request_timeout_in_ms == DatabaseDescriptor.LOWEST_ACCEPTED_TIMEOUT); |
| } |
| |
| @Test |
| public void testRepairSessionMemorySizeToggles() |
| { |
| int previousSize = DatabaseDescriptor.getRepairSessionSpaceInMegabytes(); |
| try |
| { |
| Assert.assertEquals((Runtime.getRuntime().maxMemory() / (1024 * 1024) / 16), |
| DatabaseDescriptor.getRepairSessionSpaceInMegabytes()); |
| |
| int targetSize = (int) (Runtime.getRuntime().maxMemory() / (1024 * 1024) / 4) + 1; |
| |
| DatabaseDescriptor.setRepairSessionSpaceInMegabytes(targetSize); |
| Assert.assertEquals(targetSize, DatabaseDescriptor.getRepairSessionSpaceInMegabytes()); |
| |
| DatabaseDescriptor.setRepairSessionSpaceInMegabytes(10); |
| Assert.assertEquals(10, DatabaseDescriptor.getRepairSessionSpaceInMegabytes()); |
| |
| try |
| { |
| DatabaseDescriptor.setRepairSessionSpaceInMegabytes(0); |
| fail("Should have received a ConfigurationException for depth of 9"); |
| } |
| catch (ConfigurationException ignored) { } |
| |
| Assert.assertEquals(10, DatabaseDescriptor.getRepairSessionSpaceInMegabytes()); |
| } |
| finally |
| { |
| DatabaseDescriptor.setRepairSessionSpaceInMegabytes(previousSize); |
| } |
| } |
| |
| @Test |
| public void testRepairSessionSizeToggles() |
| { |
| int previousDepth = DatabaseDescriptor.getRepairSessionMaxTreeDepth(); |
| try |
| { |
| Assert.assertEquals(20, DatabaseDescriptor.getRepairSessionMaxTreeDepth()); |
| DatabaseDescriptor.setRepairSessionMaxTreeDepth(10); |
| Assert.assertEquals(10, DatabaseDescriptor.getRepairSessionMaxTreeDepth()); |
| |
| try |
| { |
| DatabaseDescriptor.setRepairSessionMaxTreeDepth(9); |
| fail("Should have received a ConfigurationException for depth of 9"); |
| } |
| catch (ConfigurationException ignored) { } |
| Assert.assertEquals(10, DatabaseDescriptor.getRepairSessionMaxTreeDepth()); |
| |
| try |
| { |
| DatabaseDescriptor.setRepairSessionMaxTreeDepth(-20); |
| fail("Should have received a ConfigurationException for depth of -20"); |
| } |
| catch (ConfigurationException ignored) { } |
| Assert.assertEquals(10, DatabaseDescriptor.getRepairSessionMaxTreeDepth()); |
| |
| DatabaseDescriptor.setRepairSessionMaxTreeDepth(22); |
| Assert.assertEquals(22, DatabaseDescriptor.getRepairSessionMaxTreeDepth()); |
| } |
| finally |
| { |
| DatabaseDescriptor.setRepairSessionMaxTreeDepth(previousDepth); |
| } |
| } |
| |
| @Test |
| public void testCalculateDefaultSpaceInMB() |
| { |
| // check prefered size is used for a small storage volume |
| int preferredInMB = 667; |
| int numerator = 2; |
| int denominator = 3; |
| int spaceInBytes = 999 * 1024 * 1024; |
| |
| assertEquals(666, // total size is less than preferred, so return lower limit |
| DatabaseDescriptor.calculateDefaultSpaceInMB("type", "/path", "setting_name", preferredInMB, spaceInBytes, numerator, denominator)); |
| |
| // check preferred size is used for a small storage volume |
| preferredInMB = 100; |
| numerator = 1; |
| denominator = 3; |
| spaceInBytes = 999 * 1024 * 1024; |
| |
| assertEquals(100, // total size is more than preferred so keep the configured limit |
| DatabaseDescriptor.calculateDefaultSpaceInMB("type", "/path", "setting_name", preferredInMB, spaceInBytes, numerator, denominator)); |
| } |
| |
| @Test |
| public void testConcurrentValidations() |
| { |
| Config conf = new Config(); |
| conf.concurrent_compactors = 8; |
| // if concurrent_validations is < 1 (including being unset) it should default to concurrent_compactors |
| assertThat(conf.concurrent_validations).isLessThan(1); |
| DatabaseDescriptor.applyConcurrentValidations(conf); |
| assertThat(conf.concurrent_validations).isEqualTo(conf.concurrent_compactors); |
| |
| // otherwise, it must be <= concurrent_compactors |
| conf.concurrent_validations = conf.concurrent_compactors + 1; |
| try |
| { |
| DatabaseDescriptor.applyConcurrentValidations(conf); |
| fail("Expected exception"); |
| } |
| catch (ConfigurationException e) |
| { |
| assertThat(e.getMessage()).isEqualTo("To set concurrent_validations > concurrent_compactors, " + |
| "set the system property cassandra.allow_unlimited_concurrent_validations=true"); |
| } |
| |
| // unless we disable that check (done with a system property at startup or via JMX) |
| DatabaseDescriptor.allowUnlimitedConcurrentValidations = true; |
| conf.concurrent_validations = conf.concurrent_compactors + 1; |
| DatabaseDescriptor.applyConcurrentValidations(conf); |
| assertThat(conf.concurrent_validations).isEqualTo(conf.concurrent_compactors + 1); |
| } |
| |
| @Test |
| public void testRepairCommandPoolSize() |
| { |
| Config conf = new Config(); |
| conf.concurrent_validations = 3; |
| // if repair_command_pool_size is < 1 (including being unset) it should default to concurrent_validations |
| assertThat(conf.repair_command_pool_size).isLessThan(1); |
| DatabaseDescriptor.applyRepairCommandPoolSize(conf); |
| assertThat(conf.repair_command_pool_size).isEqualTo(conf.concurrent_validations); |
| |
| // but it can be overridden |
| conf.repair_command_pool_size = conf.concurrent_validations + 1; |
| DatabaseDescriptor.applyRepairCommandPoolSize(conf); |
| assertThat(conf.repair_command_pool_size).isEqualTo(conf.concurrent_validations + 1); |
| } |
| |
| @Test |
| public void testApplyTokensConfigInitialTokensSetNumTokensSetAndDoesMatch() |
| { |
| Config config = DatabaseDescriptor.loadConfig(); |
| config.initial_token = "0,256,1024"; |
| config.num_tokens = 3; |
| |
| try |
| { |
| DatabaseDescriptor.applyTokensConfig(config); |
| Assert.assertEquals(Integer.valueOf(3), config.num_tokens); |
| Assert.assertEquals(3, DatabaseDescriptor.tokensFromString(config.initial_token).size()); |
| } |
| catch (ConfigurationException e) |
| { |
| Assert.fail("number of tokens in initial_token=0,256,1024 does not match num_tokens = 3"); |
| } |
| } |
| |
| @Test |
| public void testApplyTokensConfigInitialTokensSetNumTokensSetAndDoesntMatch() |
| { |
| Config config = DatabaseDescriptor.loadConfig(); |
| config.initial_token = "0,256,1024"; |
| config.num_tokens = 10; |
| |
| try |
| { |
| DatabaseDescriptor.applyTokensConfig(config); |
| |
| Assert.fail("initial_token = 0,256,1024 and num_tokens = 10 but applyTokensConfig() did not fail!"); |
| } |
| catch (ConfigurationException ex) |
| { |
| Assert.assertEquals("The number of initial tokens (by initial_token) specified (3) is different from num_tokens value (10)", |
| ex.getMessage()); |
| } |
| } |
| |
| @Test |
| public void testApplyTokensConfigInitialTokensSetNumTokensNotSet() |
| { |
| Config config = DatabaseDescriptor.loadConfig(); |
| config.initial_token = "0,256,1024"; |
| |
| try |
| { |
| DatabaseDescriptor.applyTokensConfig(config); |
| Assert.fail("setting initial_token and not setting num_tokens is invalid"); |
| } |
| catch (ConfigurationException ex) |
| { |
| Assert.assertEquals("initial_token was set but num_tokens is not!", ex.getMessage()); |
| } |
| } |
| |
| @Test |
| public void testApplyTokensConfigInitialTokensNotSetNumTokensSet() |
| { |
| Config config = DatabaseDescriptor.loadConfig(); |
| config.num_tokens = 3; |
| |
| DatabaseDescriptor.applyTokensConfig(config); |
| |
| Assert.assertEquals(Integer.valueOf(3), config.num_tokens); |
| Assert.assertTrue(DatabaseDescriptor.tokensFromString(config.initial_token).isEmpty()); |
| } |
| |
| @Test |
| public void testApplyTokensConfigInitialTokensNotSetNumTokensNotSet() |
| { |
| Config config = DatabaseDescriptor.loadConfig(); |
| DatabaseDescriptor.applyTokensConfig(config); |
| |
| Assert.assertEquals(Integer.valueOf(1), config.num_tokens); |
| Assert.assertTrue(DatabaseDescriptor.tokensFromString(config.initial_token).isEmpty()); |
| } |
| |
| @Test |
| public void testApplyTokensConfigInitialTokensOneNumTokensNotSet() |
| { |
| Config config = DatabaseDescriptor.loadConfig(); |
| config.initial_token = "123"; |
| config.num_tokens = null; |
| |
| DatabaseDescriptor.applyTokensConfig(config); |
| |
| Assert.assertEquals(Integer.valueOf(1), config.num_tokens); |
| Assert.assertEquals(1, DatabaseDescriptor.tokensFromString(config.initial_token).size()); |
| } |
| } |